New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms

Detalhes bibliográficos
Autor(a) principal: Hilario, Ana
Data de Publicação: 2011
Outros Autores: Capa, Maria, Dahlgren, Thomas G., Halanych, Kenneth M., Little, Crispin T. S., Thornhill, Daniel J., Verna, Caroline, Glover, Adrian G.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10773/6472
Resumo: Siboglinids are tube-dwelling annelids that are important members of deep-sea chemosynthetic communities, which include hydrothermal vents, cold seeps, whale falls and reduced sediments. As adults, they lack a functional digestive system and rely on microbial endosymbionts for their energetic needs. Recent years have seen a revolution in our understanding of these fascinating worms. Molecular systematic methods now place these animals, formerly known as the phyla Pogonophora and Vestimentifera, within the polychaete clade Siboglinidae. Furthermore, an entirely new radiation of siboglinids, Osedax, has recently been discovered living on whale bones. The unique and intricate evolutionary association of siboglinids with both geology, in the formation of spreading centres and seeps, and biology with the evolution of large whales, offers opportunities for studies of vicariant evolution and calibration of molecular clocks. Moreover, new advances in our knowledge of siboglinid anatomy coupled with the molecular characterization of microbial symbiont communities are revolu- tionizing our knowledge of host-symbiont relationships in the Metazoa. Despite these advances, considerable debate persists concerning the evolutionary history of siboglinids. Here we review the morphological, molecular, ecological and fossil data in order to address when and how siboglinids evolved. We discuss the role of ecological conditions in the evolution of siboglinids and present possible scenarios of the evolutionary origin of the symbiotic relationships between siboglinids and their endosymbiotic bacteria.
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spelling New Perspectives on the Ecology and Evolution of Siboglinid TubewormsSiboglinids are tube-dwelling annelids that are important members of deep-sea chemosynthetic communities, which include hydrothermal vents, cold seeps, whale falls and reduced sediments. As adults, they lack a functional digestive system and rely on microbial endosymbionts for their energetic needs. Recent years have seen a revolution in our understanding of these fascinating worms. Molecular systematic methods now place these animals, formerly known as the phyla Pogonophora and Vestimentifera, within the polychaete clade Siboglinidae. Furthermore, an entirely new radiation of siboglinids, Osedax, has recently been discovered living on whale bones. The unique and intricate evolutionary association of siboglinids with both geology, in the formation of spreading centres and seeps, and biology with the evolution of large whales, offers opportunities for studies of vicariant evolution and calibration of molecular clocks. Moreover, new advances in our knowledge of siboglinid anatomy coupled with the molecular characterization of microbial symbiont communities are revolu- tionizing our knowledge of host-symbiont relationships in the Metazoa. Despite these advances, considerable debate persists concerning the evolutionary history of siboglinids. Here we review the morphological, molecular, ecological and fossil data in order to address when and how siboglinids evolved. We discuss the role of ecological conditions in the evolution of siboglinids and present possible scenarios of the evolutionary origin of the symbiotic relationships between siboglinids and their endosymbiotic bacteria.Public Library of Science2012-02-16T10:14:39Z2011-01-01T00:00:00Z2011info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/6472eng1932-620310.1371/journal.pone.0016309Hilario, AnaCapa, MariaDahlgren, Thomas G.Halanych, Kenneth M.Little, Crispin T. S.Thornhill, Daniel J.Verna, CarolineGlover, Adrian G.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-22T11:07:53Zoai:ria.ua.pt:10773/6472Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T02:43:21.950543Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
title New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
spellingShingle New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
Hilario, Ana
title_short New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
title_full New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
title_fullStr New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
title_full_unstemmed New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
title_sort New Perspectives on the Ecology and Evolution of Siboglinid Tubeworms
author Hilario, Ana
author_facet Hilario, Ana
Capa, Maria
Dahlgren, Thomas G.
Halanych, Kenneth M.
Little, Crispin T. S.
Thornhill, Daniel J.
Verna, Caroline
Glover, Adrian G.
author_role author
author2 Capa, Maria
Dahlgren, Thomas G.
Halanych, Kenneth M.
Little, Crispin T. S.
Thornhill, Daniel J.
Verna, Caroline
Glover, Adrian G.
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Hilario, Ana
Capa, Maria
Dahlgren, Thomas G.
Halanych, Kenneth M.
Little, Crispin T. S.
Thornhill, Daniel J.
Verna, Caroline
Glover, Adrian G.
description Siboglinids are tube-dwelling annelids that are important members of deep-sea chemosynthetic communities, which include hydrothermal vents, cold seeps, whale falls and reduced sediments. As adults, they lack a functional digestive system and rely on microbial endosymbionts for their energetic needs. Recent years have seen a revolution in our understanding of these fascinating worms. Molecular systematic methods now place these animals, formerly known as the phyla Pogonophora and Vestimentifera, within the polychaete clade Siboglinidae. Furthermore, an entirely new radiation of siboglinids, Osedax, has recently been discovered living on whale bones. The unique and intricate evolutionary association of siboglinids with both geology, in the formation of spreading centres and seeps, and biology with the evolution of large whales, offers opportunities for studies of vicariant evolution and calibration of molecular clocks. Moreover, new advances in our knowledge of siboglinid anatomy coupled with the molecular characterization of microbial symbiont communities are revolu- tionizing our knowledge of host-symbiont relationships in the Metazoa. Despite these advances, considerable debate persists concerning the evolutionary history of siboglinids. Here we review the morphological, molecular, ecological and fossil data in order to address when and how siboglinids evolved. We discuss the role of ecological conditions in the evolution of siboglinids and present possible scenarios of the evolutionary origin of the symbiotic relationships between siboglinids and their endosymbiotic bacteria.
publishDate 2011
dc.date.none.fl_str_mv 2011-01-01T00:00:00Z
2011
2012-02-16T10:14:39Z
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dc.relation.none.fl_str_mv 1932-6203
10.1371/journal.pone.0016309
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publisher.none.fl_str_mv Public Library of Science
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